Two identical narrow slits `S_(1)` and `S_(2)` are illuminated by light of wavelength `lambda` from a point source P. If, as shown in the diagtam above the light is then allowed to fall on a scree, and if n is a positive integer, the condition for destructive interference at Q is that

Two identical narrow slits S_1 and S_2 are illuminated by the light of a wavelength lamda from a point source P. If , as shown in the diagram above , the light is then allowed to fall on a screen , and if n is a positive integer , the condition for destructive interference at Q is

Two identical narrow slits S_1 and S_2 are illuminated by the light of a wavelength lamda from a point source P. If , as shown in the diagram above , the light is then allowed to fall on a screen , and if n is a positive integer , the condition for destructive interference at Q is

Two identical light sources S_1 and S_2 emit light of same wavelength lambda . These light rays will exhibit interference if

Two identical light sources S_1 and S_2 emit light of same wavelength lambda . These light rays will exhibit interference if

Two coherent point sources S_1 and S_2 vibrating in phase emit light of wavelength lamda . The separation between them is 2lamda . The light is collected on a screen placed at a distance Dgt gt lamda from the slit S_1 as shown. The minimum distance, so that intensity at P is equal to the intensity at O

Consider the situation shown in figure-6.35. The two slits S_(1) and S_(2) placed symmetrically around the central line are illuminated by a monochromatic light of wavelength lambda . The separation between the slits is d. The light transmitted by the slits falls on a screen E_(1) placed at a distance D from the slits. The slit S_(3) is at the central line and the slit S_(4) is at a distance z from S_(3) . Another screen E_(2) is placed a further distance D away from E_(1) . Find the ratio of the maximum to minimum intensity observed on E_(2) if z is equal is : (a) (lambdaD)/(2d) " "(b) (lambdaD)/(d)" " (c )(lambdaD)/(4d)

Consider the situation shown in fig. The two slits S_(1) and S_(2) placed symmetrically around the central line are illuminated by monochromatic light of wavelength lambda . The separation between the slit is d. The ligth transmitted by the slits falls on a screen S_(0) placed at a distance D form the slits. The slit S_(3) is at the central line and the slit S_(4) is at a distance z from S_(3) Another screen S_(c) is placed a further distance D away from S_(c) Find the ratio of the maximum to minimum intensity observed on S_(c) If z = (lambda D)/(2 d)

Consider the situation shown in fig. The two slits S_(1) and S_(2) placed symmetrically around the central line are illuminated by monochromatic light of wavelength lambda . The separation between the slit is d. The ligth transmitted by the slits falls on a screen S_(0) placed at a distance D form the slits. The slit S_(3) is at the central line and the slit S_(4) is at a distance z from S_(3) Another screen S_(c) is placed a further distance D away from S_(c) Find the ratio of the maximum to minimum intensity observed on S_(c) If z = (lambda D)/(4 d)

Consider the situation shown in fig. The two slits S_(1) and S_(2) placed symmetrically around the central line are illuminated by monochromatic light of wavelength lambda . The separation between the slit is d. The ligth transmitted by the slits falls on a screen S_(0) placed at a distance D form the slits. The slit S_(3) is at the central line and the slit S_(4) is at a distance z from S_(3) Another screen S_(c) is placed a further distance D away from S_(c) Find the ratio of the maximum to minimum intensity observed on S_(c) If z = (lambda D)/(d)